Good morning,

I have been noticing something weird with my V10 lately. If I accelerate around 2200rpm from 0-40mph it does decent. However if I apply say 80% throttle it doesn't seem to accelerate. I have a 10% grade that if I go up it unloaded just the truck and then stomp on the gas while going 40mph, it might get up to 55ish after about 15-20 seconds.

I have the Torque App and it's not pulling any codes. I recently had the truck in my local shop and they gave it a clean bill of health. I'm leaning towards a Catalytic Converter issue because of the following. While pushing 3,000rpm+ in the cab I could smell a little bit of rotten egg smell, and occasionally when pulling into my garage after a highway run I get a hint of it. Is there a "sure fire" way that any muffler shop can test the Cat for me?

I did search the forums found a lot of "check this or that" but the OP's that originally submitted the threads never replied back with their findings / causes.

Any info is appreciated!

Thanks

 

Update :

Got Torque running on the way home. Below is the Mode 6 during city / highway traffic.

Mode $06 report generated by Torque for Android
================================================

Vehicle VIN:
Vehicle Manufacturer: Ford
Vehicle Calibration ID: MMAH0NA.HEX

Unit and scaling information are not supplied with the data from the ECU for this type of vehicle. Consulting the manufacturers service book for this information is recommended.

Test report:
------------------
TID:$01 CID:$11 (HO2S11 voltage amplitude and voltage threshold)
- Rich to Lean sensor threshold voltage(constant)
Min: 0
Test result value: 1,024
PASS
----
TID:$01 CID:$21 (HO2S21 voltage amplitude and voltage threshold)
- Rich to Lean sensor threshold voltage(constant)
Min: 0
Test result value: 1,024
PASS
----
TID:$03 CID:$01 (Upstream O2 sensor switch-point voltage)
- Low sensor Voltage for switch time calculation
Min: 0
Test result value: 461
PASS
----
TID:$03 CID:$02 (Downstream O2 sensor switch-point voltage)
- Low sensor Voltage for switch time calculation
Min: 0
Test result value: 512
PASS
----
TID:$53 CID:$02 (Cylinder-specific misfire rate and malfunction threshold misfire rate
(either cat damage or emission threshold)
-
Max: 64,768
Test result value: 780
PASS
----
TID:$53 CID:$05 (Cylinder-specific misfire rate and malfunction threshold misfire rate
(either cat damage or emission threshold)
-
Max: 64,768
Test result value: 1,820
PASS
----
TID:$53 CID:$0a (Cylinder-specific misfire rate and malfunction threshold misfire rate
(either cat damage or emission threshold)
-
Max: 64,768
Test result value: 5,071
PASS
----

End of report.



Below is the link for the PDF document I searched through to find the TID / CID's.

2001 MY OBD System Operation